-87.63% is the change from 388 to 48
Calculation steps:
[( 48 - 388 ) ÷ 388] x 100 = -87.63%
Formula
Percentage change = [(48 - 388) / 388] x 100
Subtract the new number by the original number
48 - 388 = -340
-340 ÷ 388 = -0.8762886597938144
-0.8762886597938144 x 100 = -87.63%